Pith Number

pith:QBAFWQEX

pith:2015:QBAFWQEXBI2BGLQVQH5JNBOBGO

not attested not anchored not stored refs pending

Chemical tracers of episodic accretion in low-mass protostars

2), (2) Univ. of Michigan, (3) Univ. of Copenhagen), Edwin A. Bergin (2), Jes K. Jorgensen (3) ((1) ESO Garching, Ruud Visser (1

arxiv:1503.04951 v1 · 2015-03-17 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBAFWQEXBI2BGLQVQH5JNBOBGO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:14:16.606221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80405b40970a34132e1581fa9685c133a4d87f8f9e5f13e680489b8206136d58

Aliases

arxiv: 1503.04951 · arxiv_version: 1503.04951v1 · doi: 10.48550/arxiv.1503.04951 · pith_short_12: QBAFWQEXBI2B · pith_short_16: QBAFWQEXBI2BGLQV · pith_short_8: QBAFWQEX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QBAFWQEXBI2BGLQVQH5JNBOBGO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 80405b40970a34132e1581fa9685c133a4d87f8f9e5f13e680489b8206136d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa146478bbf6dc84f865395cbc63656b3248c3e13bfe0e34fe1f39c4a36210e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-17T08:49:05Z",
    "title_canon_sha256": "151a7d005587b5d44f24192e1926c574f171178e609ecd14d5d7a4ca5da3636f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04951",
    "kind": "arxiv",
    "version": 1
  }
}